CVE-2020-8227
published 2020-08-21CVE-2020-8227: Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the…
PriorityP343medium6.8CVSS 3.1
AVNACLPRHUIRSUCHIHAH
EPSS
22.45%
97.4th percentile
Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | nextcloud-desktop | < nextcloud-desktop 3.0.1-1 (bookworm) | nextcloud-desktop 3.0.1-1 (bookworm) |
| nextcloud | desktop | < 2.6.5 | 2.6.5 |
CVSS provenance
nvdv3.16.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
nvdv2.07.1HIGHAV:N/AC:H/Au:S/C:C/I:C/A:C
osv6.8MEDIUM
vendor_debian6.8MEDIUM
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Debian
CVE-2020-8227: nextcloud-desktop - Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for ...
vendor_debian·2020·CVSS 6.8
CVE-2020-8227 [MEDIUM] CVE-2020-8227: nextcloud-desktop - Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for ...
Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.
Scope: local
bookworm: resolved (fixed in 3.0.1-1)
bullseye: resolved (fixed in 3.0.1-1)
forky: resolved (fixed in 3.0.1-1)
sid: resolved (fixed in 3.0.1-1)
trixie: resolved (fixed in 3.0.1-1)
GHSA
GHSA-64gg-6m36-39px: Missing sanitization of a server response in Nextcloud Desktop Client 2
ghsa_unreviewed·2022-05-24
CVE-2020-8227 [HIGH] CWE-22 GHSA-64gg-6m36-39px: Missing sanitization of a server response in Nextcloud Desktop Client 2
Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.
OSV
CVE-2020-8227: Missing sanitization of a server response in Nextcloud Desktop Client 2
osv·2020-08-21·CVSS 6.8
CVE-2020-8227 [MEDIUM] CVE-2020-8227: Missing sanitization of a server response in Nextcloud Desktop Client 2
Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-8227 nextcloud-client: nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [fedora-all]
bugzilla·2020-08-24·CVSS 6.8
CVE-2020-8227 [MEDIUM] CVE-2020-8227 nextcloud-client: nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [fedora-all]
CVE-2020-8227 nextcloud-client: nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
Bugzilla
CVE-2020-8227 nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [fedora-all]
bugzilla·2020-08-24·CVSS 6.8
CVE-2020-8227 [MEDIUM] CVE-2020-8227 nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [fedora-all]
CVE-2020-8227 nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit mes
Bugzilla
CVE-2020-8227 nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory
bugzilla·2020-08-24·CVSS 6.8
CVE-2020-8227 [MEDIUM] CVE-2020-8227 nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory
CVE-2020-8227 nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory
Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.
References:
https://hackerone.com/reports/590319
Discussion:
Created nextcloud tracking bugs for this issue:
Affects: epel-7 [bug 1871758]
Affects: fedora-all [bug 1871756]
Created nextcloud-client tracking bugs for this issue:
Affects: epel-7 [bug 1871759]
Affects: fedora-all [bug 1871757]
---
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for statu
Bugzilla
CVE-2020-8227 nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [epel-7]
bugzilla·2020-08-24·CVSS 6.8
CVE-2020-8227 [MEDIUM] CVE-2020-8227 nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [epel-7]
CVE-2020-8227 nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [epel-7]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-7.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Bugzilla
CVE-2020-8227 nextcloud-client: nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [epel-7]
bugzilla·2020-08-24·CVSS 6.8
CVE-2020-8227 [MEDIUM] CVE-2020-8227 nextcloud-client: nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [epel-7]
CVE-2020-8227 nextcloud-client: nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory [epel-7]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-7.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg
2020-08-21
Published